FI944928A0 - Förfarande för blekning av kemisk pappersmassa - Google Patents
Förfarande för blekning av kemisk pappersmassaInfo
- Publication number
- FI944928A0 FI944928A0 FI944928A FI944928A FI944928A0 FI 944928 A0 FI944928 A0 FI 944928A0 FI 944928 A FI944928 A FI 944928A FI 944928 A FI944928 A FI 944928A FI 944928 A0 FI944928 A0 FI 944928A0
- Authority
- FI
- Finland
- Prior art keywords
- chemical pulp
- bleaching chemical
- bleaching
- pulp
- chemical
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- D21C9/166—Bleaching ; Apparatus therefor with per compounds with peracids
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE9301131A BE1007651A3 (fr) | 1993-10-22 | 1993-10-22 | Procede pour le blanchiment d'une pate a papier chimique. |
Publications (2)
Publication Number | Publication Date |
---|---|
FI944928A0 true FI944928A0 (sv) | 1994-10-20 |
FI944928A FI944928A (sv) | 1995-04-23 |
Family
ID=3887461
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI944928A FI944928A (sv) | 1993-10-22 | 1994-10-20 | Förfarande för blekning av kemisk pappersmassa |
Country Status (9)
Country | Link |
---|---|
US (1) | US5645686A (sv) |
EP (1) | EP0649938A1 (sv) |
JP (1) | JPH07150493A (sv) |
AU (1) | AU682209B2 (sv) |
BE (1) | BE1007651A3 (sv) |
BR (1) | BR9404176A (sv) |
CA (1) | CA2117984A1 (sv) |
FI (1) | FI944928A (sv) |
NO (1) | NO944015L (sv) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3610686B2 (ja) * | 1996-07-31 | 2005-01-19 | 王子製紙株式会社 | 印刷用塗被紙の製造方法 |
US6057438A (en) * | 1996-10-11 | 2000-05-02 | Eastman Chemical Company | Process for the co-production of dissolving-grade pulp and xylan |
JP3511816B2 (ja) * | 1996-10-25 | 2004-03-29 | 王子製紙株式会社 | キャスト塗被紙およびその製造方法 |
FI112958B (sv) * | 1997-12-19 | 2004-02-13 | Kemira Oyj | Förfarande för blekning av kemisk massa och användning av en blekningslösning |
AU2002226210A1 (en) | 2000-12-22 | 2002-07-08 | Iogen Bio-Products Corporation | Alkaline extraction stages comprising xylanase |
US7320741B2 (en) * | 2001-01-18 | 2008-01-22 | Iogen Bio-Products Corporation | Method of xylanase treatment in a chlorine dioxide bleaching sequence |
AU2002351904A1 (en) * | 2001-12-03 | 2003-06-17 | Iogen Bio-Products Corporation | Bleaching stage using xylanase with hydrogen peroxide, peracids, or a combination thereof |
CN100346030C (zh) * | 2002-03-06 | 2007-10-31 | 埃欧金生物制品公司 | 化学纸浆的木聚糖酶处理 |
EP2314698A1 (en) | 2002-06-14 | 2011-04-27 | Verenium Corporation | Xylanases, nucleic acids encoding them and methods for making and using them |
US20040112555A1 (en) * | 2002-12-03 | 2004-06-17 | Jeffrey Tolan | Bleaching stage using xylanase with hydrogen peroxide, peracids, or a combination thereof |
EP2404929B1 (en) | 2003-07-02 | 2014-06-18 | BP Corporation North America Inc. | Glucanases, nucleic acids encoding them and methods for making and using them |
US7741089B2 (en) | 2003-08-11 | 2010-06-22 | Verenium Corporation | Laccases, nucleic acids encoding them and methods for making and using them |
EP2548955A1 (en) | 2006-02-14 | 2013-01-23 | Verenium Corporation | Xylanases, nucleic acids encoding them and methods for making and using them |
JP4967451B2 (ja) | 2006-05-17 | 2012-07-04 | 三菱瓦斯化学株式会社 | 漂白パルプの製造方法 |
BRPI0714876B1 (pt) | 2006-08-04 | 2022-04-19 | Verenium Corporation | Ácido nucleico isolado, sintético ou recombinante, cassete de expressão, vetor ou veículo de clonagem, célula bacteriana, fúngica ou de levedura transformada, polipeptídeo isolado, sintético ou recombinante, composição, bem como métodos de produção e de usos dos mesmos |
US20080087390A1 (en) * | 2006-10-11 | 2008-04-17 | Fort James Corporation | Multi-step pulp bleaching |
WO2009045627A2 (en) | 2007-10-03 | 2009-04-09 | Verenium Corporation | Xylanases, nucleic acids encoding them and methods for making and using them |
BRPI0821031B1 (pt) * | 2007-12-20 | 2018-05-15 | Mitsubishi Gas Chemical Company, Inc. | Processo para produção de polpa alvejada |
US8845860B2 (en) | 2010-09-16 | 2014-09-30 | Georgia-Pacific Consumer Products Lp | High brightness pulps from lignin rich waste papers |
JP7100315B2 (ja) * | 2018-05-30 | 2022-07-13 | 三菱瓦斯化学株式会社 | 漂白パルプの製造方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5179021A (en) * | 1989-02-10 | 1993-01-12 | Gil Inc. (Now Ici Canada Inc.) | Pulp bleaching process comprising oxygen delignification and xylanase enzyme treatment |
US5246543A (en) * | 1989-08-18 | 1993-09-21 | Degussa Corporation | Process for bleaching and delignification of lignocellulosic materials |
DK30991D0 (da) * | 1991-02-22 | 1991-02-22 | Novo Nordisk As | Hidtil ukendte enzymer |
NZ239500A (en) * | 1990-08-24 | 1993-08-26 | Novo Nordisk As | Xylanases obtained from bacillus pumilus and use in a lignocellulosic chemical pulping process |
BE1004674A3 (fr) * | 1991-03-11 | 1993-01-12 | Interox Internat Sa | Procede pour le blanchiment d'une pate a papier chimique et application de ce procede au blanchiment d'une pate kraft. |
-
1993
- 1993-10-22 BE BE9301131A patent/BE1007651A3/fr not_active IP Right Cessation
-
1994
- 1994-10-12 EP EP94202957A patent/EP0649938A1/fr not_active Withdrawn
- 1994-10-12 AU AU75757/94A patent/AU682209B2/en not_active Ceased
- 1994-10-12 CA CA002117984A patent/CA2117984A1/fr not_active Abandoned
- 1994-10-13 US US08/322,419 patent/US5645686A/en not_active Expired - Fee Related
- 1994-10-20 FI FI944928A patent/FI944928A/sv unknown
- 1994-10-20 BR BR9404176A patent/BR9404176A/pt not_active Application Discontinuation
- 1994-10-20 JP JP6255113A patent/JPH07150493A/ja active Pending
- 1994-10-21 NO NO944015A patent/NO944015L/no unknown
Also Published As
Publication number | Publication date |
---|---|
FI944928A (sv) | 1995-04-23 |
CA2117984A1 (fr) | 1995-04-23 |
AU7575794A (en) | 1995-05-11 |
EP0649938A1 (fr) | 1995-04-26 |
AU682209B2 (en) | 1997-09-25 |
NO944015L (no) | 1995-04-24 |
NO944015D0 (no) | 1994-10-21 |
BR9404176A (pt) | 1995-06-27 |
BE1007651A3 (fr) | 1995-09-05 |
US5645686A (en) | 1997-07-08 |
JPH07150493A (ja) | 1995-06-13 |
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